Ram takes
20 minutes to inspect a car, while Robert takes only 18 minutes. Ifboth start
inspecting cars at 8.00 hours what is the first time at which both will have
finished inspecting a car at the same point of time?

1) 09.42
hrs 2) 10.00 hrs 3) 09.30 hrs. 4) 14.00 hrs 5) 11.00 hrs

The law λ
mT = constant (T = temperature) is known as-

1) Raleigh
Jean's Law 2) Newton's Law of Cooling 3) Wein's
Displacement Law 4) Plack's
Law 5) Fresnel's Law